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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>canvas时钟案例v_2.0</title>
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        div {
            margin-top: 100px;
            text-align: center;
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        <h1>赖启祥的canvas时钟案例</h1>
        <canvas id="clock" width="300" height="300">您的浏览器不支持canvas，请升级浏览器</canvas>
    </div>
</body>
<script src="./main.js"></script>
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